potassium pyrosulphate 97% extrapure

Six white plastic bottles with red caps of varying sizes are lined up in ascending order against a plain gray background.

Three chemical solution bottles with red caps are arranged side by side against a gray background. The labels read "Methyl Orange Indicator Solution" and "Fehling's Solution No. A.

Three white chemical bottles with red caps, labeled "Chemnovyo," arranged in order of size against a plain gray background.

Four plastic bottles of chemical reagents with red caps, labeled for different substances, are arranged in size order against a gray background.

Five black plastic chemical bottles of various sizes are arranged on a gray surface against a dark gray background. Labels are visible but not fully legible.

Six brown pharmaceutical containers of varying sizes with white and red ChemBooz labels are arranged in a row against a plain gray background.

Three black plastic bottles of nitric acid with white hazard labels are arranged in a row against a grey background.

Two brown glass bottles with red caps, labeled as chemical containers, are placed side by side on a gray surface with a dark background.

Two white plastic chemical containers with black lids, labeled "Chemnovato." The left contains Magnesium Sulphate, and the right contains Acetyl Salicylic Acid, both on a gray background.

Three chemical bottles labeled Toluene, Iso-Propyl Alcohol, and Chloroform are arranged side by side on a gray background.

Six brown glass bottles of varying sizes with white labels and black or white caps, containing Trichloroacetic Acid 99% AR from Chemoxy, are arranged in a row on a gray background.

Two brown glass bottles labeled "Chloroform 99.8% for HPLC" with hazard symbols, placed side by side on a neutral gray background.

Three dark brown bottles with red caps and Chemnovatic labels contain hydrochloric acid, nitric acid, and sulfuric acid, arranged side by side on a gray background.

Specification

Description

CAS	7790-62-7
Molecular Formula	K2S2O7
Molecular Weight	254.33
Shelf Life	60 Months

Physical Properties
Physical State at 20 °C	Solid	Colour	Off white flakes
Odour	Odorless	pH Value	1 – 2 at 25.5 g/l at 25 °C
Melting Point/ Freezing Point [°C]	325 °C	Density [g/cm3]	2.28
Solubility in Water [% weight]	25.4 g/l at 20 °C

Specifications
Appearance	White to off-white crystals or crystalline powder or chunks or solid or flakes.	Assay (Acidimetric)	Min 97%
Chloride (Cl)	Max 0.003%	Iron (Fe)	Max 0.002%
Lead (Pb)	Max 0.001%

Dangerous Goods Information
UN Number	3260	DG Class	8

Safety Information & Hazard Symbols
Symbol	GHS05
Signal Word	Danger
Hazard Statement	H314
Precaution Statement	P280-P305 + P351 + P338-P310

potassium pyrosulphate 97% extrapure

$481.65

Size

UOM

Clear

SKU C02172-00500-HS Category Chemicals